Research Publications
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Welcome to Karatina University Research papers. The community has research papers produced by Karatina University Community
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Item Evaluating the Performance of Tree-Based Predictive Models as Programme Recommenders for University Entrants in Kenya.(2024-10) Kabiru, Kibuthi J.; Makiya, Ratemo C.; Anduvare, E. M.Enrolling for the wrong programme by university students has, to an extent, contributed to the high rates of discontinuation on academic grounds, repeat year cases, change of programme after registration, interuniversity transfers, deferments to change programme, drop out cases, suspension over exam irregularities as well as to strikes. This study focused on finding a technological solution for reducing these cases by evaluating three tree-based predictive models and recommending the most predictive model to implement as a programme recommender. Data was collected in five selected public universities in Kenya using Google Forms. The respondents were 308 translating to 308 rows of data with 36 columns. Numpy, Pandas, Matplotlib, Sklearn, Seaborn, Scipy, Plotly python analytics libraries were deployed using Jupyter Notebook for Anaconda. The cleaned and processed dataset features had categorical variables thus one-hot-encoding technique was employed. Data was split for training and testing with the random_state set to 42. Gini index criteria was implemented. The three models were evaluated on their performance from the optimally split data for training and test with a 80:20 ratio. Random Forest (RF) came out the most predictive at 99.3% followed by Gradient Boosting (XG Boost) at 90% then Decision Tree (DT) at 80.93%. The testing accuracy score for RF was 81.72%, XGBoost was at 75.72% and DT was at 76.34%. Confusion matrix criterion was implemented to evaluate the performance of the three models. The results of this study have demonstrated the high accuracy level of RF as the most predictive tree-based model for this real-world University crisis. The model is recommended for development as a system to be integrated into the KUCCPS portal. The integrated system is dubbed Programme Recommender which if launched would highly predict the best programme of study for application by university entrants.Item Research data management challenges in Kenya: the case of private universities in Nairobi County(2019-09) Anduvare, E. M.; Mutula, S. M.This research paper is a spinoff from a Doctoral degree study that was carried out at the University of KwaZulu-Natal between 2017-2019. The aim of the study was to establish the role private university libraries in Nairobi, Kenya play in supporting eResearch and the challenges thereof that librarians and researchers face in the process of managing data. The study employed both qualitative and quantitative epistemological approaches with semi structured interviews and survey questionnaires to collect data from a population consisting of university librarians, faculty members and doctoral students respectively. The population was sampled purposively. The qualitative and quantitative data sets were analysed using SPSS and content analysis respectively. The findings revealed several challenges, which included among others the lack of strategies and policies to guide research data management support, the lack of integrated RDM policies, a research process that was fragmented, and limited ICT policies and infrastructures. The institutionalisation of RDM in the private universities in Kenya is therefore urgent and imperative. The findings have policy, practical and theoretical implications for the effective RDM in Kenyan private universities in order to enhance scientific and scholarly communications. While the focus of the study limits generalisation of the findings, other universities may gain insights on RDM challenges within university settings.